Home / 19,229.28-26,538.84-11,161.21

Finding the Fourth Proportional to 19,229.28, 26,538.84 and 11,161.21

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Solution

The fourth proportional to 19,229.28, 26,538.84 and 11,161.21 is: 15,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.28 : 26,538.84 = 11,161.21 : x
  2. Step 2: Convert to fraction form
    19,229.28/26,538.84 = 11,161.21/x
  3. Step 3: Cross multiply
    19,229.28x = 26,538.84 × 11,161.21
  4. Step 4: Simplify right side
    19,229.28x = 296,205,566.40
  5. Step 5: Solve for x
    x = 296,205,566.40/19,229.28
  6. Step 6: Final answer
    x = 15,403.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.